Search a number
-
+
2158056374 = 223157298817
BaseRepresentation
bin1000000010100001…
…0101001110110110
312120101202121210212
42000220111032312
513404430300444
6554050345422
7104323114355
oct20050251666
95511677725
102158056374
11a08191771
1250288b272
13285137246
1416687d99c
15c96d419e
hex80a153b6

2158056374 has 16 divisors (see below), whose sum is σ = 3399353568. Its totient is φ = 1025536512.

The previous prime is 2158056359. The next prime is 2158056377. The reversal of 2158056374 is 4736508512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158056377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142187 + ... + 156630.

It is an arithmetic number, because the mean of its divisors is an integer number (212459598).

Almost surely, 22158056374 is an apocalyptic number.

2158056374 is a deficient number, since it is larger than the sum of its proper divisors (1241297194).

2158056374 is a wasteful number, since it uses less digits than its factorization.

2158056374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298999.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2158056374 is about 46454.8853620370. The cubic root of 2158056374 is about 1292.2729740293.

The spelling of 2158056374 in words is "two billion, one hundred fifty-eight million, fifty-six thousand, three hundred seventy-four".

Divisors: 1 2 23 46 157 314 3611 7222 298817 597634 6872791 13745582 46914269 93828538 1079028187 2158056374